# Question: A Explain why the IQ score is a continuous variable b

a. Explain why the IQ score is a continuous variable.

b. What are the mean and the standard deviation for the distribution of: IQ scores? SAT scores? standard scores?

c. Express, algebraically or as an equation, the relationship between standard scores and IQ scores and the relationship between standard scores and SAT scores.

d. What standard score is 2 standard deviations above the mean? What IQ score is 2 standard deviations above the mean? What SAT score is 2 standard deviations above the mean?

e. Compare the information about percentage of distribution, in Figure A on page 268, with the empirical rule studied in Chapter 2. Explain the similarities.

b. What are the mean and the standard deviation for the distribution of: IQ scores? SAT scores? standard scores?

c. Express, algebraically or as an equation, the relationship between standard scores and IQ scores and the relationship between standard scores and SAT scores.

d. What standard score is 2 standard deviations above the mean? What IQ score is 2 standard deviations above the mean? What SAT score is 2 standard deviations above the mean?

e. Compare the information about percentage of distribution, in Figure A on page 268, with the empirical rule studied in Chapter 2. Explain the similarities.

## Relevant Questions

According to a September 2008 poll and report done by Pew/Internet, 62% of employed adults use the Internet or e-mail on their jobs. What is the probability that more than 180 out of 250 employed adults use the Internet or ...According to a December 2008 report from the Join Together website of the Boston University School of Public Health, approximately half (42%) of U.S. children are exposed to secondhand smoke on a weekly basis, with more than ...Find the standard score z such that the area below the mean and above z under the normal curve is a. 0.3212. b. 0.4788. c. 0.2700. In a study of the length of time it takes to play Major League Baseball games during the early 2008 season, the variable “time of game” appeared to be normally distributed, with a mean of 2 hours 49 minutes and a ...a. Use a computer or calculator to list both the probability distribution and the cumulative probability distribution for the binomial probability experiment with n = 40 and p = 0.4. b. Explain the relationship between the ...Post your question